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Finding the Fourth Proportional to 662,056.49, 993,693.60 and 513,253.01

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Solution

The fourth proportional to 662,056.49, 993,693.60 and 513,253.01 is: 770,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,056.49 : 993,693.60 = 513,253.01 : x
  2. Step 2: Convert to fraction form
    662,056.49/993,693.60 = 513,253.01/x
  3. Step 3: Cross multiply
    662,056.49x = 993,693.60 × 513,253.01
  4. Step 4: Simplify right side
    662,056.49x = 510,016,233,701.97
  5. Step 5: Solve for x
    x = 510,016,233,701.97/662,056.49
  6. Step 6: Final answer
    x = 770,351.53

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.